About

About SleepScience

SleepScience is a collection of plain-language guides on sleep. Each article takes one question people actually ask, such as why you cannot fall asleep or what a body clock does, and answers it directly before explaining the reasoning.

SleepScience is a research-based reference: the guides summarize published guidance from health bodies and name those sources in plain words. Read how we check for the process and its limits.

The aim is practical: clearer guidance than a generic list of sleep hygiene rules, and honest notes about what a general guide cannot tell you.

What you will find here

• Sleep Quality: what makes sleep feel restorative
• Insomnia: trouble falling or staying asleep
• Sleep Disorders: symptom signals that go beyond ordinary poor sleep
• Circadian Rhythm: timing, light and schedule alignment
• Tips: practical routine and bedroom changes
• Tools: a bedroom checklist, a printable sleep diary, a rough bedtime planner and a doctor-visit checklist

Not sure where to begin? The start here page points to the most useful guides first.

How to read the guides

The guides are general educational information, not medical advice, and they cannot account for your own history, medications or circumstances. Sleep varies a lot between people, and persistent sleep problems can have medical causes. Talk to a qualified clinician about your own situation, especially if symptoms are persistent, worsening or worrying you. In an emergency, call your local emergency services (in the US, 911); if you are in a mental-health crisis in the US, call or text 988. Each guide starts with a direct answer and then explains the reasoning and the limits, so read past the first paragraph before acting on it.

Corrections and contact

If you spot something that looks wrong, outdated or unclear, we want to know. Use the contact form and tell us which page and which line, and we will take another look.

You can also read our disclaimer and privacy policy.