Young girl with autism having trouble falling asleep and staring at clock

ASD and Sleep: Why Kids with Autism Struggle to Sleep—and How to Help

Written by: Dr James Pendleton

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Published

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Time to read 9 min

Does your child with autism have trouble falling or staying asleep? You’re not alone.  Up to 80% of children with autism spectrum disorder (ASD) experience persistent sleep problems, including difficulty falling asleep, waking up during the night, and short sleep duration. These sleep disturbances can disrupt your child’s behavior, learning, and overall well-being and affect family routines.

 

This article explores the causes of sleep issues in children with ASD, how they impact daily life, and the most effective strategies to improve sleep at home and with professional support.

Why Do Kids with ASD Have Trouble Sleeping?

Sleep difficulties are common in children with autism spectrum disorder (ASD), but the reasons behind them are complex. Differences in brain chemistry, sensory processing, and emotional regulation often affect sleep patterns and routines in autistic children.

What’s Different About the Autistic Brain and Sleep?

Research suggests some children with ASD may have irregular melatonin levels, which could affect sleep timing and quality. Their circadian rhythms—the body’s internal clock—can also be disrupted, making it harder to follow typical sleep patterns. This can lead to persistent insomnia and trouble sleeping through the night.

"Research suggests some children with ASD may have irregular melatonin levels, which could affect sleep timing and quality.”

Sensory Sensitivities and Overstimulation

Children with autism often have heightened sensitivity to light, sound, or touch. Even small noises or itchy pajamas can disrupt sleep or make it difficult to fall asleep. A bedroom that feels calm to other children might overwhelm an autistic child’s senses, contributing to sleep disturbances and restless nights.

Anxiety, Rigid Routines, and Transitions

Anxiety and strict routines are common in children with autism and can interfere with winding down at night. Changes in bedtime habits or unexpected events may cause stress that affects sleep. Trouble with transitions from day to night often leads to bedtime resistance and difficulty sleeping.

Co-occurring Conditions That Disrupt Sleep

Many children with ASD also live with other conditions that affect sleep, such as ADHD, epilepsy, gastrointestinal problems, and mental health disorders like anxiety or depression. These co-occurring issues may cause night wakings, discomfort, or physical restlessness that disrupt sleep cycles. Some children may also experience symptoms of obstructive sleep apnea or restless legs syndrome.

Sleep-deprived child yawning in classroom due to poor sleep

What Sleep Problems Are Common in Children with Autism?

Children with autism experience a range of sleep disorders that go beyond simply staying up too late. These issues often affect sleep quality, sleep duration, and daily functioning.

Difficulty Falling Asleep

Difficulty falling asleep is one of the most common sleep problems in children with ASD. Irregular melatonin levels, anxiety, and trouble relaxing at night can make it harder for them to transition to sleep. Many children lie awake for long periods before they finally fall asleep.

Waking Up Frequently During the Night

Some autistic children wake up multiple times each night, disrupting deep sleep. Environmental sensitivities, sleep apnea, or discomfort from other medical conditions may cause this. These frequent night wakings often lead to poor sleep quality and daytime sleepiness.

Waking Up Too Early in the Morning

Early wake-ups are another common issue, especially in preschool children with autism. Their body clocks may run on a different rhythm, causing them to wake up before the rest of the household. This shortened sleep duration can affect their mood, energy, and focus.

Short Sleep Duration Overall

Many children with ASD sleep fewer total hours than typically developing children. Short sleep duration and frequent night wakings can contribute to persistent insomnia and ongoing fatigue.

How Sleep Problems Affect Kids with Autism and Their Families

Sleep isn’t just about rest—it directly affects a child’s behavior, learning, and mental health. For families of children with ASD, poor sleep can take a heavy toll.

Daytime Effects on Focus, Mood, and Behavior

Lack of sleep can lead to irritability, poor attention, and increased repetitive behaviors. Autistic children with sleep issues may have more meltdowns and trouble adjusting to routine changes. Sleep deprivation also impacts memory and emotional control. 

Impact on Parents and Caregivers

When a child with autism struggles to sleep, the entire family often feels the impact. Sleep loss can affect parents and caregivers in several ways:


  • Increased stress and emotional exhaustion

  • Disrupted sleep leading to poor daytime functioning

  • Strained relationships or reduced family quality time

  • Difficulty managing work or household responsibilities

  • Greater risk of anxiety, depression, and burnout

How It Influences Therapy and Education

When children with autism don’t get enough quality sleep, it can directly affect how well they respond to daily learning and therapy. Sleep-related fatigue may cause:


  • Lower focus and attention during therapy or class

  • Reduced ability to follow instructions or complete tasks

  • Increased behavioral issues that interrupt learning

  • Less progress in speech, occupational, or behavioral therapy

  • Difficulty adjusting to structured routines and transitions

Boy with autism sleeping while hugging a stuffed toy for comfort

How Are Sleep Problems Diagnosed in Children with ASD?

Diagnosing sleep difficulties in children with ASD involves tracking sleep patterns, identifying possible triggers, and ruling out medical conditions. Early evaluation helps create a better plan for treatment and support.

What Parents Can Track at Home

Keeping track of your child’s sleep habits at home can reveal meaningful patterns and triggers. This information is valuable when speaking with a doctor or sleep specialist. Parents can monitor the following:


  • Bedtime and wake-up times

  • How long it takes to fall asleep

  • Number and length of night wakings

  • Morning mood and daytime behavior

  • Changes in diet, screen time, or physical activity

  • Signs of discomfort like restlessness or snoring

When to Involve a Sleep Specialist

Knowing when to seek professional help can make a big difference in managing your child’s sleep. Consider involving a sleep specialist if you notice:


  • Sleep problems lasting longer than four weeks

  • Worsening sleep issues despite home strategies

  • Signs of obstructive sleep apnea, such as loud snoring or gasping

  • Severe daytime sleepiness or behavioral changes

  • Concerns about underlying medical or mental health conditions

Sleep Studies and Medical Evaluations

A sleep study may be recommended to check for sleep apnea or other breathing-related issues. In some cases, evaluations also look for signs of restless legs syndrome or abnormal breathing patterns. These tests are beneficial when home strategies aren’t improving sleep.

What Are the Best Treatment Options for Autism Sleep Problems?

Treating sleep issues in children with ASD often requires a combination of behavioral strategies, environmental changes, and, in some cases, medical support. Interventions should be personalized to the child’s needs.

Melatonin Supplements

Melatonin may support sleep regulation in some children with autism who have difficulty falling asleep, but the effects can vary. Small doses 30–60 minutes before bedtime may support more consistent sleep patterns. Always talk to a healthcare provider before starting melatonin, especially for long-term use.

Cognitive-Behavioral Therapy for Insomnia (CBT-I)

CBT-I uses behavioral strategies to address negative sleep patterns and anxiety around bedtime. This approach can be adapted for autistic children using visual supports and simplified steps. Studies show CBT-I has shown promise in improving sleep habits and reducing night wakings in some children, though more research is needed in autistic populations.

Behavioral Sleep Training

Behavioral sleep training teaches children to connect bedtime with sleep by following structured routines. Gradual changes—like delaying check-ins or shortening nighttime interactions—can reduce dependency on parental presence. Consistency is key to long-term success.

Light Therapy

Light therapy involves using bright light in the morning or dim light in the evening to reset the body’s circadian rhythms. It is sometimes used to adjust circadian rhythms in children with irregular sleep patterns under medical guidance.

Mother giving melatonin supplement to child with autism to improve sleep

How Can Parents Help Kids with Autism Sleep Better at Home?

Simple changes at home can make a big difference in how well children with ASD fall asleep and stay asleep. Consistency, structure, and a calming sleep environment are essential for better sleep.

Build a Consistent, Sensory-Friendly Bedtime Routine

A predictable bedtime routine helps children know what to expect. Calming activities like reading or gentle music can reduce overstimulation. Keep the routine short and do it in the same order each night.

Use Visual Schedules and Social Stories

Visual schedules show each step of the bedtime routine using pictures or icons. Social stories can explain bedtime in a way that makes sense to autistic children. These tools support understanding and lower anxiety.

Optimize the Sleep Environment

Create a sleep-friendly bedroom with blackout curtains, white noise machines, or weighted blankets if your child finds them soothing. Remove distractions like electronic devices to reduce stimulation. A calming, sensory-friendly sleep environment may reduce nighttime disruptions and support better sleep in some children.

Watch Out for Sleep Disruptors

Avoid screen time, caffeine, or heavy meals too close to bedtime. Rough play or exciting activities before bed may also disrupt sleep. Keeping things quiet and low-energy in the evening helps signal it’s time to wind down.

Mother cuddling and helping child with autism fall asleep peacefully

When Should You Seek Professional Help?

Some sleep issues need more than just home strategies. Knowing when to involve a healthcare provider can prevent long-term problems.

Sleep Problems Lasting More Than a Month

Chronic trouble falling asleep or frequent night wakings that last longer than four weeks may signal a deeper issue. Early intervention can help prevent sleep problems from becoming harder to treat.

Extreme Daytime Fatigue or Behavioral Regression

If your child is constantly tired during the day, falling behind in development, or showing more behavioral problems, poor sleep may be the cause. If you notice ongoing fatigue or behavioral changes, consider consulting a healthcare provider to explore potential sleep-related concerns.

No Improvement With Home Strategies

If you've tried routine changes, calming tools, and sleep hygiene practices with no success, it’s time to consult a sleep specialist. A professional can evaluate for medical conditions and suggest new treatment options.

Helping Children with Autism Sleep Better Starts at Home

Sleep problems are common in children with autism spectrum disorder, but they can be managed with the proper support. Several strategies may help improve sleep quality for autistic children, though results differ based on individual needs. While every child with ASD is different, tracking progress, sticking to calming sleep habits, and involving professionals when necessary can lead to better rest and healthier daytime functioning for the whole family.

Frequently Asked Questions

Why do kids with autism have sleep problems?

Children with autism often have disrupted melatonin levels, sensory sensitivities, and co-occurring conditions that affect sleep.

What are the most common sleep issues in ASD?

Common sleep problems in children with autism include difficulty falling asleep, frequent night wakings, early rising, and short sleep duration.

How can I help my autistic child fall asleep faster?

A consistent bedtime routine, sensory-friendly sleep environment, and reduced screen time can help autistic children fall asleep more easily.

Is melatonin safe for children with autism?

Melatonin is generally considered safe for short-term use in children with autism but should be used under medical supervision.

When should I see a doctor about my child’s sleep issues?

Talk to a doctor if your child’s sleep problems last over a month, worsen over time, or impact daytime behavior and functioning.

REFERENCES

  1. Lyons, L. C., Vanrobaeys, Y., & Abel, T. (2023). Sleep and memory: The impact of sleep deprivation on transcription, translational control, and protein synthesis in the brain. Journal of neurochemistry, 166(1), 24–46. https://doi.org/10.1111/jnc.15787

  2. Malow, B., Adkins, K. W., McGrew, S. G., Wang, L., Goldman, S. E., Fawkes, D., & Burnette, C. (2012). Melatonin for sleep in children with autism: a controlled trial examining dose, tolerability, and outcomes. Journal of autism and developmental disorders, 42(8), 1729–1738. https://doi.org/10.1007/s10803-011-1418-3

  3. Rossignol, D. A., & Frye, R. E. (2014). Melatonin in autism spectrum disorders. Current clinical pharmacology, 9(4), 326–334. https://doi.org/10.2174/15748847113086660072

  4. Sadikova, E., Dovgan, K., & Mazurek, M. O. (2023). Longitudinal Examination of Sleep Problems and Symptom Severity in Children with Autism Spectrum Disorder. Journal of autism and developmental disorders, 53(4), 1673–1681. https://doi.org/10.1007/s10803-021-05401-1

  5. Tomkies, A., Johnson, R. F., Shah, G., Caraballo, M., Evans, P., & Mitchell, R. B. (2019). Obstructive Sleep Apnea in Children With Autism. Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine, 15(10), 1469–1476. https://doi.org/10.5664/jcsm.7978 

Medically Reviewed By

Dr. James Pendleton

Dr. James Pendleton is a primary care physician specializing in a naturopathic approach to family medicine. He has nurtured a family practice in Seattle, directed a VIP medical center in Abu Dhabi, published several books and scientific articles, and designed innovative nutritional supplements for manufacturers worldwide.