Doctors warn that certain nighttime habits may silently increase the risk of heart attacks and strokes. Nighttime is the body’s period of rest, but “certain nightly habits can quietly increase strain on the body over time,” experts say. Even healthy individuals may face risks if sleep routines consistently place stress on the heart and lungs.

One major concern is obstructive sleep apnea, where breathing repeatedly stops during sleep. Loud snoring, gasping, and waking exhausted are common signs. “Sleeping on the back can make this condition more severe because gravity pulls the tongue and soft tissues backward toward the throat.” Specialists recommend side sleeping, using pillows for support, or elevating the head to keep the airway open.

Sleep medications are another factor. Drugs like benzodiazepines can relax the nervous system but may “reduce the body’s natural response to low oxygen levels,” worsening breathing pauses in those with sleep apnea. Long-term use can also increase risks of falls, memory problems, and cognitive changes. Doctors suggest lifestyle approaches before relying on medication.

Environment and routines matter too. Warm bedrooms can raise heart rate and disturb sleep, while late, heavy meals may increase blood pressure and disrupt rest. Experts advise keeping temperatures around 16–20°C (61–68°F) and finishing dinner hours before bed. Chronic sleep deprivation further elevates risk, linked to high blood pressure, inflammation, and hormonal imbalances. Most adults need seven to nine hours per night.

Small changes can improve sleep and support heart and brain health. “Choosing a comfortable sleeping position, maintaining a cool bedroom environment, eating lighter evening meals, and allowing enough time for sleep can make a meaningful difference.” Consistent routines, calming evening activities, and awareness of how habits affect sleep help create restorative nighttime conditions that protect long-term health.