The SleepTrace Blog
Clear, calm, science-grounded writing on understanding your sleep — no hype, no fear, no medical claims.
Latest
Fresh from the SleepTrace desk — newest first.

Why do I wake up at 4am every night?
4am on the dot, most nights? That's not the same mechanism as a random midnight wake-up — it's your body clock, and it has a fix.

Snoring while pregnant: when it's normal, when it's not
New snoring in pregnancy is common — but the reflexive 'it's just pregnancy' reassurance skips a real risk worth knowing about.

Morning breath: why it happens and what actually fixes it
Morning breath isn't really about your toothpaste. It's about how much of the night you spent breathing through your mouth.

Why do people sleepwalk?
Sleepwalking isn't dream-acting — that's a different, rarer condition. Here's what your brain is actually doing, half-asleep and half-not.
Browse by topic
Everything we've written, organised by what's keeping you up.
Sleep apnea & breathing
4Snoring & night sounds
8- Snoring while pregnant: when it's normal, when it's not
- Is snoring bad for you?
- How to know if you snore (when you sleep alone)
- What causes snoring — and what it signals
- Mouth breathing and 'mouth breather face': what's real
- Catathrenia: why some people groan in their sleep
- Why do I moan in my sleep?
- Snoring and sleep apnea: what the sounds can tell you
Symptoms at night
11- Why do I wake up at 4am every night?
- Morning breath: why it happens and what actually fixes it
- Why do I drool in my sleep?
- Waking up nauseous: the usual causes
- Waking up with anxiety: why it happens before you've even thought of anything
- Waking up gasping for air: what it means
- Waking up choking at night: causes and clues
- Why you wake up with a dry mouth every morning
- Waking up with a headache every day: what's behind it
- Waking up with your heart racing: what it means
- Waking up with numb hands: common causes
How sleep works
8- Sleep deprivation symptoms: how to spot them
- Exploding head syndrome: the loud bang that isn't real
- Why you twitch as you fall asleep (hypnic jerks)
- Hypnagogic hallucinations: the images at sleep's edge
- Sleep paralysis demon: why you see a figure you can't escape
- Hypnopompic hallucinations: seeing things as you wake
- How to get more deep sleep
- How sleep phases work: light, deep and REM
Better sleep & trends
6Wearables & tracking
3The Sleep Letter
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