Sleep Science

Sleeping in can sometimes make people feel groggier than usual. This article explains common reasons and offers practical steps to help you feel more rested.

Exercise timing gets attention, but the kind of workout you do—cardio, strength, or flexibility—can also influence sleep. Learn what to consider and simple ways to experiment.

Alcohol can change how you fall asleep, the structure of the night, and how rested you feel the next day. This article explains common effects and practical steps many people find helpful.

An approachable guide to sleep cycles: what a cycle is, the stages most people pass through, why cycles influence sleep quality, and simple ways to support healthier cycles.

Night mode can help, but screen use at night may still interfere with falling asleep. This guide explains how night mode works, other factors that matter, and practical steps to reduce the impact.

Eating before bed can affect sleep for some people. This guide explains common effects, which foods may help or hinder sleep, practical tips, and when to talk to a doctor.

An approachable guide to how REM and deep sleep differ, why both matter, and gentle habits that may support healthier sleep stages.

What’s generally understood about why some people don’t recall dreams, plus practical ways to improve dream recall if you want to.

What’s generally understood about frequent vivid dreams, common contributing factors, and when they’re worth mentioning to a doctor.

A look at sleep talking, including common triggers, how it relates to sleep stages, and when it’s worth bringing up with a doctor.