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ArticlesTopic 10
Night sweats, snoring, drooling, 3 a.m. bathroom trips and waking up exhausted.
Sleep & NighttimeEvidence check
Nearly half of US adults in one national survey shared their bed or bedroom with a pet. Those who did reported worse sleep quality and more insomnia, mainly with dogs. In a Mayo Clinic study that tracked 40 adults and their dogs for a week, sleep was fine with a dog in the bedroom but less efficient with the dog on the bed. Here is what the studies show and how to find a middle ground.
Sleep & NighttimeExplainer
Two in three adults in a Norwegian survey had talked in their sleep at some point. In a sleep lab study of 883 recorded episodes, the most common word was "No." Sleep talking on its own is harmless, but sleep doctors say a few changes are worth a visit. Here is what the research found.
Sleep & NighttimeEvidence check
A normal blood count doesn't always rule out low iron. In a French trial of 198 tired women with low ferritin but normal hemoglobin, 12 weeks of iron cut fatigue scores by 48%, against 29% on placebo. A review of 18 trials found iron eased tiredness in people like this, without improving exercise capacity. Here is who the evidence applies to, and why iron shouldn't be a guess.
Sleep & NighttimeChecklist
Bring sleep changes to the clinician reviewing your prescribed medicine.
Sleep & NighttimeEvidence check
A warm bath or shower 1 to 2 hours before bed helped people fall asleep faster in a 2019 review of 17 studies, and warm footbaths improved how older adults rated their sleep. One lab trial found no change at all. Here is what the studies used: the water temperature, the timing and the minutes, plus who should skip the hot water.
Sleep & NighttimeExplainer
A damp patch on the pillow is common and usually harmless. Saliva production drops sharply during sleep, so drooling is often about an open mouth and head position rather than extra saliva. In a survey of 1,000 adults, drooling went along with snoring, and a blocked nose with mouth breathing was the strongest clue to sleep apnea risk. Here is when a pillow mark is worth mentioning.
Sleep & NighttimeConversation script
Clarify longer-use stopping instructions, while recognizing an overnight behavior that needs a different response.
Sleep & NighttimeEvidence check
In a sleep study, a large dose of caffeine taken 6 hours before bedtime still cut total sleep by more than an hour. People vary widely in how fast they clear caffeine, and some medicines and conditions make it linger. Here is how to time your last cup.
Sleep & NighttimeComparison
Drugstore mouthpieces that pull your jaw forward promise quieter nights. Sleep and dental experts recommend ruling out sleep apnea first and prefer custom devices for those who have it.
Sleep & NighttimeEvidence check
Ashwagandha is sold in capsules, gummies and bedtime drinks for sleep and stress. Small trials suggest a modest benefit, but federal experts list thyroid problems, several medicines and rare liver injury as reasons for caution.
Sleep & NighttimeField notes
EPA says bite appearance is a poor indicator of an infestation. Record physical clues and seek experienced help.
Sleep & NighttimeEvidence check
Temazepam, lorazepam and similar pills are still prescribed for sleep, often for years. The American Geriatrics Society says to avoid them in older adults because of falls, fractures, confusion and car crashes. The label's boxed warning adds dependence and dangerous withdrawal if stopped suddenly.
