Latest news, tips, and insights to help you master your sleep and wake up refreshed.
A sleep cycle lasts about 90 minutes and moves through light, deep and REM sleep. Here's what happens in each stage and why your wake-up time matters.
10–20 minutes boosts alertness without grogginess, and 90 minutes gives you a full sleep cycle. Here's how to pick the right power nap length.
Keep your bedroom around 60–67°F (15–19°C), dark and quiet. Here's how to set temperature, lighting, bedding and sound for deeper sleep.
Usually it's Attention Aware Features lowering the volume, or a song from your library. Here are 5 fixes to make your iPhone alarm loud again on iOS 26.
We compared the alarm apps heavy sleepers actually use, including FixSleep, Alarmy and Sleep Cycle, by wake-up missions, snooze control and sleep timing.
Sunrise lamps, loud bed-shakers, smart speakers or a phone app: which alarm clock fits how you sleep, with the top picks in each category.
Anchor your wake-up time, shift your bedtime gradually and use morning light. A 7-step plan to fix a broken sleep schedule, and how long it takes.
Waking up early means moving your whole sleep window, not just your alarm. How to become an early riser and stay one without feeling exhausted.
Sleep inertia, sleep apnea, alcohol, caffeine or an irregular schedule can all leave you tired after a full night. Here's how to tell which one it is.
What the research says about white noise and sleep: the real benefits and risks, safe volume levels, and how to use it effectively.
Brown noise is deep and rumbling, white noise is bright and hissy. Which one is better for sleep, which helps you focus, and how to choose.
Step by step: change the sound of a regular or Sleep/Wake Up alarm, use a song from your library, and fix common alarm sound problems on iOS 26.
iOS 27 gives alarms their own volume slider. Here's how to turn it up, change your Wake Up alarm volume and stop your iPhone from lowering it.
Clocks fall back Nov 1, 2026 in the US and Oct 25 in the UK and EU. A night-by-night plan to shift your sleep so the time change doesn't leave you tired.
