Jul 23, 2025 · Learn how to reset your circadian rhythms, including your sleep-wake schedule, through light exposure, exercise, strategic meal times, and more.

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.

Jul 24, 2025 · Fix your sleeping schedule and get restorative slumber by optimizing your circadian rhythm.

Jul 8, 2025 · Numerous chemicals and hormones are involved in the mechanics of sleep-wake homeostasis and the circadian alerting system. Shifting between wakefulness and sleep creates …

Oct 31, 2025 · Looking for ways to sleep better? We share the steps you can take to improve sleep hygiene and get more restful sleep each night.

Jul 23, 2025 · Sleep/wake homeostasis balances our need for sleep, called a “sleep drive” or “sleep pressure,” with our need for wakefulness. When we’ve been awake for a long period of time, our …

May 7, 2024 · The collective term sleep disorder refers to conditions that affect sleep quality, timing, or duration and impact a person’s ability to properly function while they are awake. These disorders can …

Jul 16, 2025 · Sleep satisfaction and energy levels are closely linked. In this guide, learn how sleep patterns can help you keep your energy high during the day.

Jul 16, 2025 · That’s because during sleep, your brain releases a hormone called vasopressin that helps your body retain water. This is one many processes involved in the sleep-wake cycle.

Jul 23, 2025 · Perhaps the most well-known circadian rhythm is the sleep-wake cycle, which determines how sleepy or alert you feel throughout the day and night. We cover how circadian rhythms work, …