Sleep Timing
Best Bedtime If You Wake Up at 6 AM
The best bedtimes are 10:30 PM, 9:00 PM or 7:30 PM — calculated around 90-minute sleep cycles.
Read article →Free, evidence-based articles on sleep timing, chronotypes, shift work, napping and improving your sleep quality — written by our team of sleep researchers. No wellness fluff, just the science.
The best bedtimes are 10:30 PM, 9:00 PM or 7:30 PM — calculated around 90-minute sleep cycles.
Read article →Adults 35–55 need 7–9 hours per night. Sleep quality changes meaningfully with age.
Read article →Night shift increases cardiovascular risk, diabetes risk and more. Here is how to protect yourself.
Read article →The best bedtimes are 9:45 PM, 8:15 PM or 11:15 PM — based on 90-minute sleep cycles.
Read article →The best bedtimes are 11:45 PM, 10:15 PM or 8:45 PM — calculated around sleep cycles.
Read article →Exact recommended bedtimes for toddlers, preschoolers and school-age children — with CDC guidelines.
Read article →Teens need 8–10 hours and their biological clock genuinely shifts 2–3 hours later than adults.
Read article →A practical 3-day protocol to reset a broken sleep schedule using light exposure and meal timing.
Read article →Evidence-based strategy to minimise damage — strategic caffeine, micro-naps and what to avoid.
Read article →A step-by-step jet lag protocol using light, meal timing and sleep discipline.
Read article →Sleep debt cannot be repaid hour-for-hour overnight. Here is the real recovery timeline.
Read article →A clear breakdown of noise colours and which one the research says works best for sleep.
Read article →A plain-language explainer of the four chronotypes and how to find out which one you are.
Read article →What actually happens in your brain at different nap lengths — and which one makes sense at work.
Read article →The subtle and obvious signs of accumulated sleep debt and why feeling fine is not a reliable gauge.
Read article →Not all snoring is dangerous but certain patterns signal sleep apnoea — a serious cardiovascular risk.
Read article →Getting 8 hours but still exhausted? The most common causes are sleep quality and circadian timing.
Read article →Rotating 12-hour shifts make healthcare one of the hardest professions for sleep. Here is how to protect it.
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