Caffeine Cut-Off Time: How Late Is Too Late?
Six hours before bed still costs you an hour of sleep, and most people do not notice it happening. Where to draw the line, and why yours may differ.
Guides on sleep and metabolic health: circadian rhythm, 3am waking, magnesium forms, sleep apnoea in women and cycle-related sleep changes.
Six hours before bed still costs you an hour of sleep, and most people do not notice it happening. Where to draw the line, and why yours may differ.
Not automatically menopause, and not automatically the heating. The cycle, the wine, the glucose dip and the duvet, in order of likelihood.
The number causing you the most distress is usually the least reliable one. How to use a sleep tracker without it running your mornings.
An evidence-graded Yu Sleep review: why 0.9 mg melatonin is the right call, what the undisclosed doses hide, and the 5-HTP interaction you must check first.
An evidence-graded review of magnesium glycinate for sleep: which form the research used, the elemental magnesium label trap, side effects, cost and who should skip it.
Why an overnight glucose dip yanks you awake, and the dinner change that usually stops it.
Ten minutes outside beats every sleep supplement on the market. Here is the mechanism, and why grey days still count.
Glycinate versus citrate versus oxide, and what the sleep-quality data genuinely supports.
It presents differently than it does in men, and PCOS raises the risk substantially. The symptoms that get missed, and what to ask for.
The luteal-phase temperature rise, progesterone withdrawal, and why the week before your period feels like sleeping in a warm car.
The twenty-minute version, for those of us who do not have ninety minutes and a clawfoot tub.