A good night’s sleep can make exercising and dieting easier. In this respect informs American Heart Association.
To find out, the scientists created a weight loss program while monitoring the sleep quality of the participants. The program included 125 adults (mean age 50, 91% female, 81% white) who were overweight or obese (body mass index 27-44) and had no medical conditions that required medical supervision for their diet or physical activity.
Sleep habits were measured at the beginning of the program, at 6 months, and at 12 months using questionnaires, a sleep diary, and readings from a wrist device that recorded sleep, wakefulness, and rest. These scores were used to rate each participant’s sleep as “good” or “poor” on six dimensions: regularity, satisfaction, quality of waking, time of day, efficiency, and duration.
Compliance with a weight loss program was measured by the percentage of group therapy sessions attended, the percentage of days each participant consumed 85% to 115% of their recommended daily caloric intake, and change in daily physical activity.
After adjusting sleep quality data for age, gender, race, and whether the partner was in the same bed as the volunteer, the researchers found that better sleep was associated with higher group exercise participation, caloric compliance, and more time spent on physical activity. activity.
An important limitation of the study is that the participant group was not presented with a set of measures to improve sleep quality.
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