Jul 25, 2025 · Healthy sleep consists of four stages. We break down the traits of both REM and NREM stages, how they differ, and how to get better sleep.

Jan 2, 2025 · Sleep is a very important function for our body to restore and repair. We'll go through the five stages and what happens during each.

Dec 14, 2025 · The sleep cycle starts with three non-REM stages and one REM stage. Ideally, you repeatedly cycle through each stage. Learn how long each stage lasts.

The sleep cycle is an oscillation between the slow-wave and REM (paradoxical) phases of sleep. It is sometimes called the ultradian sleep cycle, sleep–dream cycle, or REM-NREM cycle, to …

Dec 18, 2025 · Each stage plays a unique role, from physical restoration to mental rejuvenation. To optimize your sleep, aim for 7-9 hours of uninterrupted sleep per night, allowing your body …

Jun 19, 2023 · Managing your sleep is key to maintaining your health. Learn about sleep and what you can do to get the most from it.

Jul 23, 2025 · Learn about the four stages of sleep, why they matter and how they impact overall health. Stick around for other tips on how to help improve sleep quality.

Discover the 4 stages of sleep - light, deep, and REM - and learn how each supports recovery, memory, and health. Get science-backed tips to sleep better.

Feb 28, 2024 · Want to learn about how sleep works or what happens in the body during deep sleep? Learn more about sleep mechanics and the four stages of sleep.

Oct 1, 2025 · The sleep cycle is divided into two main stages: non-rapid eye movement (non-REM) and rapid eye movement (REM). Non-REM sleep Non–rapid eye movement sleep has …