Wellness that works

Sleep

Simple strategies to help you fall asleep more easily, sleep deeper, and wake up feeling refreshed

40 articles Updated daily
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Sleep

What Your Body Temperature Does at Night

Body temperature follows a daily rhythm, usually dropping during sleep and rising toward late afternoon. This article explains what “normal” nighttime temperature patterns look like, why they happen, and how common factors like fever, room temperature, alcohol, and sleep timing can change readings. You’ll learn how to interpret home thermometer results, when nighttime warmth or low temperature may signal a problem, and what practical steps help you track patterns without overreacting.

Clara Wynn

By Clara Wynn

9 min read

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How Naps Affect Nighttime Sleep

Naps can help people recover from sleep loss, but they also change how quickly you fall asleep and how long you sleep at night. This article explains how nap timing, duration, and sleep stage effects interact with nighttime sleep, why common nap habits backfire, and what to do if you want better nights. You’ll learn practical strategies, realistic expectations, and a checklist to choose nap plans that fit your schedule.

9 min read 507 •
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Why a Cool Room Helps You Sleep

A cool room can make it easier to fall asleep and stay asleep by supporting the body’s natural temperature rhythm. This article explains how heat affects sleep, what “cool” means in practical terms, and how to set up your bedroom without creating discomfort. You’ll also learn common mistakes, realistic expectations, and how to adjust for blankets, airflow, and personal factors like age and illness.

8 min read 575 •
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What Sleep Debt Is and How It Builds

Sleep debt is what builds up when you consistently get less sleep than your body actually needs. It’s not just one bad night—those short nights add up, and over time they can affect your mood, focus, reaction time, appetite, and overall health. This article explains how sleep loss accumulates, what’s happening in your brain and body as the gap grows, and why a single long weekend sleep-in doesn’t always “reset” you right away. You’ll also get realistic, step-by-step ways to pay that debt down, what improvements to expect (and when), and signs it’s time to talk to a doctor.

10 min read 641 •
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How Light Shapes Your Internal Clock

Light is the strongest signal your body uses to set its internal clock, shaping when you feel sleepy, when you feel sharp, and how key hormones rise and fall across the day. This article walks through how light information travels from your eyes to the brain’s “timekeeper,” and why when you get light often matters even more than how bright it is. It also covers everyday habits that can throw off circadian cues - like late-night screens, bright indoor lighting, or inconsistent schedules. You’ll get practical, doable tips for using morning light to feel more awake, dialing down evening light to wind down naturally, and understanding what light tweaks can and can’t fix. Finally, it highlights warning signs that may call for professional medical guidance.

12 min read 504 •
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Why You Wake Up Tired After Eight Hours

Getting a full eight hours in bed and still waking up exhausted can be frustrating - and it often has less to do with “not sleeping enough” and more to do with how well you’re actually sleeping. If your sleep is fragmented or mistimed, you may miss out on the deeper, more restorative stages that help you feel refreshed. This article explains how sleep cycles and your circadian rhythm work, and how issues like stress, alcohol, late caffeine, breathing problems (like snoring or sleep apnea), and certain medications can quietly disrupt recovery. You’ll also find practical tips for spotting patterns, improving sleep habits, and knowing when it’s time to talk to a clinician.

11 min read 624 •
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What a Consistent Bedtime Does for You

A consistent bedtime helps your body clock coordinate sleep timing with daily light, meals, and activity. This matters if you struggle with falling asleep, wake up too early, or feel tired despite “enough” hours. You’ll learn how bedtime regularity affects circadian rhythms, sleep depth, and next-day alertness, plus practical ways to set a realistic schedule and what to do if your routine can’t stay fixed.

12 min read 493 •
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How Caffeine Late in the Day Affects Sleep

Caffeine doesn’t just “wear off” when you stop feeling jittery - it can still linger in your system and quietly interfere with sleep. This article explains how caffeine affects brain chemistry and sleep pressure, why an afternoon coffee can make it harder to fall asleep (or leave your sleep lighter), and the everyday habits that most often lead to restless nights. You’ll learn how to spot your personal sensitivity, set a realistic caffeine cutoff that fits your routine, and adjust dosage without feeling miserable. We’ll also cover warning signs - like ongoing insomnia, daytime sleepiness, or dependence on caffeine to function - that may be worth discussing with a healthcare professional.

9 min read 593 •
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Why Screens Before Bed Disrupt Rest

Using your phone, tablet, or TV late at night can quietly sabotage sleep - making it tougher to drift off and leaving you less rested in the morning. This article breaks down why screens have that effect, including how bright light (especially blue-toned light), mental stimulation, and late-night scrolling or streaming can interfere with your brain’s natural sleep-wake rhythm. You’ll find realistic, easy-to-follow strategies to cut down the disruption, what improvements you might notice (and how long they can take), plus signs that it’s time to talk with a healthcare professional if insomnia or poor sleep keeps hanging around.

10 min read 413 •
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The Difference Between REM and Deep Sleep

REM sleep and deep sleep are both essential, but they do very different jobs. Deep sleep is when your body focuses on physical repair and recovery, while REM is more tied to dreaming, learning, and emotional processing. This article walks through how these stages show up across the night, what’s happening in your brain during each one, and everyday clues you might notice - like how alert you feel, how vivid your dreams are, or how sore you wake up. It also explains why sleep trackers can sometimes guess wrong, how stress, alcohol, exercise, and schedules can tilt the mix, and what steps to take if you’re getting “enough” hours but still feel drained. It’s meant to help you understand your sleep better, not to diagnose a condition.

12 min read 601 •