Buzz
If you stopped someone on the street and asked them how much sleep a person should get each night, they’d probably say eight hours. But where did this widely accepted standard originate? Is it even accurate? Could getting more or less sleep be harmful? Let’s dive into the facts.
CDC’s Sleep Recommendations
According to the Centers for Disease Control and Prevention, adults should aim for “7 or more” hours of sleep each night, with individual needs varying. For those aged 61 and above, the recommendation shifts to 7 to 9 hours, and from 65 years onward, it narrows to 7 to 8 hours.
The CDC emphasizes that their recommendations aren’t universal. They advise evaluating not just the duration of your sleep but also its quality. Indicators of poor sleep quality include frequent nighttime awakenings, snoring, or gasping for air, which may signal an underlying sleep disorder.
Even without a sleep disorder, poor sleep hygiene could be the issue. To enhance your sleep habits, the CDC suggests following these tips:
Maintain consistency. Stick to a regular sleep schedule, going to bed and waking up at the same times every day, even on weekends.
Create a sleep-friendly environment. Ensure your bedroom is quiet, dark, relaxing, and kept at a comfortable temperature.
Keep electronic devices like TVs, computers, and smartphones out of the bedroom.
Avoid consuming large meals, caffeine, or alcohol close to bedtime.
Incorporate physical activity into your day. Regular exercise can make it easier to fall asleep at night.
The Advantages of Quality Sleep
Maintaining a consistent sleep schedule positively impacts overall physical health. As the CDC notes, individuals who get adequate sleep are less prone to illness, find it easier to maintain a healthy weight, experience lower stress levels, enjoy better moods, and think more clearly, leading to improved performance at work or school. Dr. Merill Mitler from the National Institute of Health states, “Sleep affects every part of our body—molecular function, energy balance, cognitive performance, alertness, and emotional well-being.”
The Negative Effects of Poor Sleep
The CDC reports that one-third of U.S. adults fail to meet the recommended daily sleep requirements. This is concerning, as insufficient sleep can lead to severe health issues. Chronic sleep deprivation has been associated with type 2 diabetes, obesity, depression, and heart disease, with the latter being the primary cause of death in the U.S..
The CDC also cautions that sleep deprivation increases the likelihood of motor vehicle accidents, which resulted in nearly 40,000 fatalities in 2019. Dr. Michael Twery from the National Institute of Health underscores the critical role of sleep, stating, “Sleep impacts nearly every part of our bodies, influencing growth and stress hormones, immune function, appetite, respiration, blood pressure, and heart health.”
