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If you're not getting enough deep sleep, possible reasons include normal age-related changes, fragmented sleep, stress or hyperarousal, irregular sleep timing, caffeine or alcohol,...

Rosacea treatment is expanding, but “newest” can mean several different things in 2026. Emrosi is one of the newest major U.S. prescription additions. Epsolay...

Alcohol can make you feel sleepy, but sedation is not the same as better sleep. Higher doses may help some people fall asleep faster,...

Female arousal can be triggered by emotional connection, erotic thoughts or fantasies, physical stimulation, attraction, anticipation, and sexual or romantic context. There is no...

Sleep inertia is the temporary period of grogginess, reduced alertness, slower reaction time, and poorer attention immediately after waking. It is usually strongest in...

NSDR, or non-sleep deep rest, is a guided relaxation practice designed to help you rest deeply while remaining awake. Early research suggests a short...

Your wearable’s deep-sleep score is an estimate—not a direct measurement of how long your brain spent in N3 sleep. Watches and smart rings are...

Sleep debt is the accumulated gap between the sleep you need and the sleep you actually get. Repeated short nights can build a growing...