Sleep Archive

Not getting sufficient sleep may harm the cardiovascular system by triggering physiological and hormonal changes that increase blood pressure, blood sugar, and blood levels of substances that indicate inflammation. People who don't regularly get at least seven hours of sleep a night should assess their daily habits to look for ways to improve, such as by establishing an earlier bedtime and turning off all electronic devices at least an hour before bedtime.

Most people with obstructive sleep apnea don't know they have it. An at-home or in-lab sleep study can reveal the condition, which hinders breathing while asleep. A doctor can determine which type of test is best for each patient.

Humans' relationship with music is complex and individual, and there are times when music can have a clear and immediate impact on our well-being. Music therapy uses music as a therapeutic tool to address certain health care goals.

A mask-free, implanted device for sleep apnea that works by stimulating the tongue was approved by the FDA in 2014 as a second-choice treatment for people who are unable to tolerate a positive airway pressure machine.

The average person wakes up around four times every night. But as people age, the number of awakenings can rise as they spend more time in the earlier, lighter sleep stages and less time in the later deeper stages. This sleeping pattern makes them more sensitive to stimuli that awakens them. Older adults can avoid common stimulus by wearing earplugs and sleep masks to block noise and light, cutting back on caffeine and alcohol to avoid bathroom trips, and doing stretches before bedtime to reduce nighttime cramping.

Seasonal affective disorder, or SAD, is less common in summer, but a seasonal pattern of depressive symptoms can occur despite exposure to many hours of daylight. Many summertime SAD symptoms resemble overall depression markers, but eating and sleeping patterns can deviate. People can combat summertime SAD by sticking with antidepressants and psychotherapy, maintaining routines, exercising, and taking a break from social media.

Among people with chronic heartburn, sleeping on the left side appears to help backed-up stomach acid leave the esophagus faster than sleeping on the right side or back, according to a study in the February 2022 issue of The American Journal of Gastroenterology.

Doctors advise that the best ways to lower risk for heart disease is to exercise, eat right, and adopt healthy lifestyle habits, like stress management, social engagement, and adequate sleep. But what do cardiology doctors do to practice what they preach? Three Harvard cardiologists share their heart-healthy habits and how they've overcome the same challenges their patients face.

People who work the night shift might benefit from eating their meals during daytime hours. A 2021 study found a rise in blood sugar in people following night shift hours who ate some meals at night, but not in those who ate all meals during the day.

The number of people taking large amounts of melatonin (more than 5 milligrams per day) is at an all-time high. However, the amount in a supplement can be significantly higher than what the label shows. This can cause people to take too much, especially since many use melatonin regularly.