"Deep sleep builds your immune system, and REM sleep regulates and fine-tunes it," says Darwall-Smith agrees. During deep ...

However, some research shows that major stressors may increase REM sleep but reduce deep sleep. REM rebound, which is when we ...

More people are becoming obsessed with sleep trackers, causing insomnia and making sleep worse, experts say. Here’s how to ...

Sleep disturbances may accelerate neurodegeneration, but whether they cause or result from disease remains unclear. Improving ...

For the purists who don’t need bells and whistles, these capsules are the answer. No weird additives, just potent, organic ...

Drinking alcohol before bed raises blood alcohol content, which disrupts rapid eye movement, or REM, sleep, a critical phase ...

Sexual activity—whether partnered or solo—improves sleep efficiency and reduces night-time wakefulness, according to a pilot ...

Explore the latest TikTok trends in sleepmaxxing and discover practical tips to enhance your sleep hygiene for better health.