HealthBlood pressure normally falls 10 to 20 percent during sleep, and late or irregular bedtimes can disturb that rhythm; the advice is to go to bed early enough to sleep seven to nine hours a night.
HealthAn analysis of 16,000 people's dream reports found phones or similar technology in only 1 to 5 percent of dreams. Researchers think dreams carry emotions, not devices.
In data on more than 11,000 people with depression, about 23 per cent showed signs of a disrupted body clock; the subtype is not yet recognised and other experts urge caution.
Daily lifeAdvice from the American Heart Association: dim the lights and put the phone away 30 to 60 minutes before bed, write down tomorrow's tasks just before lying down, and in the last moments switch off the light and slow your breathing.
HealthCiting Johns Hopkins Medicine sleep specialist Dr David Neubauer, Bangla Tribune lists ADHD stimulants, some decongestants, nicotine, some antidepressants and diuretics as medicines that can upset sleep.
There is no strong evidence that keeping a phone beside the pillow causes cancer, but screen light and notifications harm sleep, and charging under a pillow or blanket can make a phone overheat and catch fire.
IslamDusting the bed, lying on the right side, putting out the lamp, reciting Ayat al-Kursi and the last three surahs, and a prayer of thanks on waking: Prothom Alo's religion desk sets out the practices recorded in Sahih al-Bukhari.
HealthIn a Jagannath University Press Club survey of 600 students, only 7 went to bed before midnight and only 16 per cent ate three meals a day; a university doctor warns of long-term health risks.
IslamPerforming wudu before going to bed is a practice the Prophet taught his Companions; writer Ahmad Sabbir explains its meaning in Prothom Alo, drawing on a hadith in Sahih Muslim.
A study in the European Heart Journal links even dim light at night to thicker heart walls and higher risks of heart failure and stroke, though it is observational and cannot prove cause.
Daily lifeDr Chris McCarthy, associate professor at the Manchester School of Physiotherapy, advises against sleeping face-down, suggests a thicker pillow for broad shoulders and a thinner one on a soft mattress, and a folded towel to test the right height.
Healthy, glowing skin is not hard to achieve, and a little care every day is enough.
