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REM stages and one REM stage. Ideally, you repeatedly cycle through each stage. Learn how long each stage lasts.

Research suggests that how often people check social media − and how emotionally engaged they are with it − can influence ...

Eight Sleep's Alexandra Zatarain reveals why difficult conversations are the secret weapon of successful leaders.

The sleep combo you've never tried might change your life by helping you fall asleep faster and wake up calmer and more ...

Daridorexant was associated with improvements in both insomnia and comorbid nocturia in adults aged 55 years and older.

Kerrang! has joined forces with Sleep Theory for this exclusive collab T-shirt – only available from the Kerrang! Store... To celebrate Sleep Theory hitting the cover of Kerrang! for the very ...

Is sleep tracking actually useful in daily life, or is it just data overload distracting you from what matters? After tracking my sleep every night for a year, I have some answers. Owen Poole ...

Scientists have uncovered that certain psychedelics may mimic REM sleep in waking states, offering the potential to dream without sleeping. Dreaming, especially during REM (rapid eye movement ...

If you buy something, we may earn an affiliate commission. If you're on the fence about the best sleep masks, know that there are two types of sleepers in this world: Those who can pass out ...

Aly Lopez is a writer on the sleep team at CNET. She tests, researches and reviews everything sleep-related, from mattresses and bedding to sleep trends and hacks to sleep technology and supplements.

What Is Obstructive Sleep Apnea? Obstructive sleep apnea is when something blocks part or all of your upper airway while you sleep. This means your diaphragm, a muscle that helps you breathe in ...