Sleep sound machines and time-to-wake lights for kids
Quick answer. Pick a model with low-volume steady sound and a clear time-to-wake color, place it across the room, and keep the volume low.
Updated
What it is
A small bedside device that plays steady sound (white noise, rain) and shows a colored light. Many models also change color at a set time, so a child who cannot read a clock knows when it is OK to get up.
Why families use it
Sleep trouble is one of the most common worries for parents of autistic kids and kids with ADHD, and sound machines with a time-to-wake light are among the best-selling kids' sleep products on Amazon. A color cue is a simple visual support for kids who wake early or come out of the room repeatedly.
Where to buy
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- Hatch Rest 2nd Gen sound machine and night light with time-to-rise
Sponsored link: we may earn a commission from Amazon (Amazon Associates) if you buy, at no extra cost to you.
View on Amazon - Hatch Go portable sound machine for travel
Sponsored link: we may earn a commission from Amazon (Amazon Associates) if you buy, at no extra cost to you.
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Safety, how to choose, and questions to ask
What we can and cannot say
We do not claim a sound machine treats sleep problems, autism or ADHD. Ongoing sleep problems are worth raising with your pediatrician.
Safety and background (sourced)
- A study in Pediatrics measured 14 infant sleep machines at maximum volume: all were above 50 dBA at 30 cm, and three were above 85 dBA. The authors recommend placing machines far from the child, at low volume, and not running them all night at full volume. Source: Hugh et al., Pediatrics 2014 (PubMed)
- For babies, the AAP advises a bare sleep space: nothing in the crib, including devices and cords. Source: HealthyChildren.org (AAP): A parent's guide to safe sleep
- The CDC explains how much sleep children need by age and why a regular schedule matters. Source: CDC: About sleep
How to choose
- Place the machine across the room, never in the crib or bed, with the cord out of reach.
- Keep volume low; if you have to raise your voice to talk over it, it is too loud.
- Use a time-to-wake color your child can tell apart easily, and practice it in daytime first.
- Pair it with the same short bedtime routine every night.
- Check whether the app needs a paid membership for the features you want; the basic sound and light work without it.
- For travel, a portable unit keeps the same sound in a new room.
Questions to ask your child's clinician or school team
- Could my child's sleep problem have a medical cause, such as snoring or reflux?
- Does my child's medication affect sleep timing?
- Would a sleep specialist referral help?
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