5 Scientific Reasons to Get a Good Night’s Sleep

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There are countless reasons to make sure you get a good night’s sleep, but what does science have to say? Here are five specific ways that sleep benefits your health and wellbeing, according to recent research.

1. Sleep Helps You Maintain a Healthy Weight

If you’re trying to lose weight, you might be tempted to cut back on sleep in order to increase the amount of time you have for exercise and calorie-burning activities. However, research suggests that sleep deprivation can actually sabotage your weight-loss efforts.

One study found that participants who slept for only 5 hours per night for one week ate an average of 559 more calories per day than those who slept for 8 hours per night. They also had higher levels of ghrelin, a hormone that increases hunger, and lower levels of leptin, a hormone that suppresses appetite.

Another study found that when people were sleep-deprived, they chose higher-calorie foods and snacks than when they were well-rested. They also ate larger portions.

So, if you’re trying to lose weight, make sure you’re getting enough sleep. You might even want to focus on increasing your sleep time before you start cutting back on calories.

2. Sleep Reduces Stress and Improves Your Mood

If you’re feeling stressed or down, a good night’s sleep can help. Sleep deprivation can increase levels of stress hormones like cortisol, and it can also lead to feelings of anxiety and depression.

In one study, participants who slept for only 4 hours per night for one week reported higher levels of stress and anxiety, and they also had a more negative outlook on life.

Another study found that sleep deprivation was associated with increased irritability, anger, and hostility.

So, if you’re feeling stressed, anxious, or down, make sure you’re getting enough sleep. You might even want to focus on increasing your sleep time before you start taking medications or seeing a therapist.

3. Sleep Improves Your Memory

If you want to remember something, make sure you get a good night’s sleep after you learn it. Research shows that sleep helps consolidate memories and makes them easier to recall later.

One study found that participants who learned a new task and then slept for 8 hours were better able to remember the task than those who stayed awake.

Another study found that participants who learned a new task and then slept for 8 hours were better able to remember the task than those who stayed awake.

So, if you want to remember something, make sure you get a good night’s sleep after you learn it.

4. Sleep Boosts Your Immune System

If you’re trying to avoid getting sick, make sure you get enough sleep. Research shows that sleep deprivation can weaken your immune system and make you more susceptible to illness.

One study found that participants who slept for only 5 hours per night for one week were more likely to catch a cold than those who slept for 8 hours per night.

Another study found that participants who were sleep-deprived had a lower production of cytokines, which are proteins that help fight infection.

So, if you’re trying to avoid getting sick, make sure you’re getting enough sleep. You might even want to focus on increasing your sleep time before you start taking vitamins or supplements.

5. Sleep Improves Your Heart Health

If you’re worried about your heart health, make sure you get enough sleep. Research shows that sleep deprivation can increase your risk of cardiovascular disease.

One study found that participants who slept for only 5 hours per night for one week had higher levels of C-reactive protein, which is a marker of inflammation.

Another study found that participants who were sleep-deprived had a higher risk of developing atherosclerosis, which is a buildup of plaque in the arteries.

So, if you’re worried about your heart health, make sure you get enough sleep. You might even want to focus on increasing your sleep time before you start taking medications or making lifestyle changes.

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