![]() It’s normal to have a poor night of sleep every now and then, said Molly Atwood, a clinical psychologist and behavioral sleep medicine researcher at Johns Hopkins Medicine. It is not as deep as the third stage, but it’s when you’re most likely to dream and is thought to be associated with learning, storing memories and regulating mood. Rapid eye movement (or REM) is the last stage of the sleep cycle. The third stage, known as deep sleep, is when your eyes and muscles fully relax and your body does the important work of repairing and building bone, muscle and other tissues, as well as strengthening the immune system and consolidating and processing memories. Each is composed of four stages: The first two are considered light sleep, where your muscles relax, your body temperature drops and your heart rate and breathing slow as you doze off. When we sleep throughout the night, we pass through several “sleep cycles” of about 90 minutes. Spencer said, but also the quality of that sleep, which is determined by how much time you spend in its different stages. Not only is the length of time you sleep important for health, Dr. And that lack of sleep, experts say, is associated with a range of increased health risks, including for obesity, high blood pressure, diabetes, coronary heart disease, stroke and mental distress. The health benefits of good sleepĪccording to 2020 survey data from the Centers for Disease Control and Prevention, more than a third of adults in the United States don’t get the recommended seven hours or more of sleep every night. ![]() It’s important to understand that while a midday nap will probably replenish your energy enough to get you through your day, said Rebecca Spencer, a sleep science researcher at the University of Massachusetts Amherst, it won’t necessarily negate the health risks that may come with insufficient sleep at night. And now you’re wondering if a quick lunchtime nap will give you the energy boost you need to power through the rest of the day, and potentially regain the health benefits of a full night’s sleep you may have lost. Maybe you stayed up too late scrolling TikTok, or tossed and turned because of anxious thoughts. Q: If I get less than the recommended seven or eight hours of sleep every night, will a midday nap make up for that loss?
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