World Sleep Day is an annual event, intended to be a celebration of sleep and a call to action on important issues related to sleep, including medicine, education, social aspects and driving. It is organized by the World Sleep Day Committee of World Sleep Society and aims to lessen the burden of sleep problems on society through better prevention and management of sleep disorders. World Sleep Day is held the Friday before Spring Vernal Equinox of each year.

World Sleep Society is issuing a global call to action to organize sleep health awareness activities on and around Friday, March 17, 2023 – the upcoming World Sleep Day. Members of World Sleep Society, sleep experts, and community health advocates in over 70 countries will be organizing local, regional, and national activities to promote sleep health.
The 2023 Theme: Sleep Is Essential for Health
The theme for this World Sleep Day is Sleep is Essential for Health. Just like eating well and exercising, sleep is a behaviour that is foundational to one’s physical, mental, and social well-being. However, sleep is not yet commonly considered an essential behavior for good health. World Sleep Day is an opportunity to promote sleep health alongside thousands of other sleep health professionals and advocates. When we all promote sleep health and #WorldSleepDay together, our combined effort is greater than the sum of its parts. Spread the word about sleep health on World Sleep Day, and help elevate the conversation around sleep!
Here are some interesting facts about slleeeppppzzzzzzzzzzz
Research shows that in the days leading up to a full moon, people go to bed later and sleep less, although the reasons are unclear.
Research shows that in the days leading up to a full moon, people go to bed later and sleep less, although the reasons are unclear.
If it takes you less than five minutes to fall asleep at night, you’re probably sleep-deprived. Ideally, falling asleep should take 10 to 15 minutes.
Sea otters hold hands when they sleep so they don’t drift away from each other.

Tiredness peaks twice a day: Around 2 a.m. and 2 p.m. for most people. That’s why you’re less alert after lunch.
Have trouble waking up on Monday morning? Blame “social jet lag” from your altered weekend sleep schedule.


We are the only mammals that willingly delay sleep.
Stress, physical or mental illness, living or sleeping arrangements, family history, shift work, diet and exercise habits can all contribute to insomnia.
Finding it hard to get out of bed in the morning is a real condition called dysania. It may signal a nutritional deficiency, depression or other problems.
Insomnia is not defined by the sleep you lose each night, but by the drowsiness, difficulty concentrating, headaches, irritability and other problems it can cause each day.
English bulldogs are the only canines known to experience sleep apnea, a breathing disorder. Their unusual airway anatomy (short snouts and underbites) is likely the reason.

Being awake for 16 hours straight decreases your performance as much as if your blood alcohol level were .05% (the legal limit is .08%).
In the 17th century, getting up in the middle of the night was normal. People slept in two segments divided by an hour or two of alertness (time for reading, praying, intimacy or socializing with others).
Going without sleep is likely to make you hungry as levels of leptin, an appetite-regulating hormone, fall.
You’re less likely to have a traffic accident when daylight savings time ends. Statistics show that the extra hour of sleep reduces accidents.
One job in early English mill and factory towns was to knock on people’s windows to wake them up for work.


Sleeping on the job is less of a problem in Japan. Companies may accept it as a sign of exhaustion from overwork.
Some car rental contracts make you promise not to drive on fewer than six hours of sleep.
Insomnia is often a normal part of grieving. Taking sleeping pills can disrupt this natural process.
Regular exercise usually improves your sleep patterns. Strenuous exercise right before bed may keep you awake.
Today, 75% of us dream in colour. Before colour television, just 15% of us did.
Whales and dolphins literally fall half asleep. Each side of their brain takes turns so they can come up for air.
One of our biggest sleep distractions is 24-hour internet access.
Not enough of sleep matters are discussed here, as I expected
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