Barack Obama typically slept around 5 to 7 hours a night during his presidency, often going to bed between midnight and 2 a.m. and waking at 7 a.m., though sometimes getting even less due to late-night work, reports Ecosa. He used his late-night hours for reading, catching up on work, and having quiet time before sleep, sometimes staying up until 1 or 2 a.m., according to articles from The New York Times.
Also, remember that half of our list got at least 7 hours each night, including Tim Cook, Bill Gates, and Oprah Winfrey, so there are plenty of ultra-successful people who get plenty of rest. The likelihood is that you will be able to approach your work best when you're well rested.
The 30th president of the United States would often sleep up to 11 hours a day, including his two-to-four-hour afternoon naps.
Later in 1981, he transferred to Columbia University in New York City as a junior, where he majored in political science with a specialty in international relations and in English literature and lived off-campus on West 109th Street. He graduated with a Bachelor of Arts degree in 1983 and a 3.7 GPA.
10 hours before bed: No more caffeine. 3 hours before bed: No more food or alcohol. 2 hours before bed: No more work. 1 hour before bed: No more screen time (shut off all phones, TVs and computers).
Musk goes to bed around 3 a.m. and gets about 6 hours of sleep every night. Although he's not getting eight hours a night, Musk has upped his sleeping schedule from being nearly nonexistent in the past. In May 2023, Musk told CNBC that he's no longer pulling all-nighters.
The koala is the animal that sleeps approximately 90% of the day (20-22 hours), a necessity due to its low-energy eucalyptus diet requiring intensive digestion, making it the ultimate champion of sleep in the animal kingdom, followed closely by sloths and bats.
Harvard Law School typically looks for a GPA of 3.89 or higher, based on recent admissions data.
Most educated presidents
Woodrow Wilson is the only U.S. president to have obtained a Ph. D., which he received from Johns Hopkins University in 1886 for his work titled "Congressional Government: A Study in American Politics", and George W.
During his time, the median LSAT scores for Harvard Law were generally between 170 and 175. This suggests that the Obama LSAT scores were within this range, placing him in the top percentiles of test-takers.
Winston Churchill
Winston was a believer in the siesta. He took a 2-hour nap every day at 5 p.m. – after a whiskey and soda. He claimed that his nap allowed him to get a day and a half's work done in each 24-hour period.
Yes, the 8-minute Navy SEAL nap is a real, popular power-napping technique popularized by former SEAL Jocko Willink, involving elevating your legs above your heart for about 8-10 minutes to achieve quick alertness and energy without grogginess, by improving circulation and promoting relaxation for a fast reset. While not a replacement for full sleep, it's used to combat fatigue during intense schedules.
Arnold Schwarzenegger famously advocates for six hours of sleep a night, famously telling people who need more to "sleep faster," maximizing his 18 waking hours for work, training, and other pursuits, though he admitted needing more sleep (like nine hours) when he was younger. He used this strategy for years to achieve peak performance in bodybuilding, acting, and politics, emphasizing intense discipline to make the most of his time.
Some evidence suggests that high IQ is associated with later sleep patterns. However, it is unclear whether the relationship between IQ and later sleep is due to biological or social effects, such as the timing of working hours.
Einstein slept nearly 10 hours a day. He valued the significance of quality sleep for maintaining his well-being. His sleep routine, though, was out of the ordinary. He regularly indulged in brief daytime naps, occasionally more than once a day.
The 80/20 Rule means that you stick to your healthy, consistent sleep schedule 80% of the time. You then can make exceptions to your schedule 20% of the time. The 80/20 Rule allows you to “live life” and enjoy those special moments with your family.
Born into a wealthy New York City family, Trump graduated from the University of Pennsylvania in 1968 with a bachelor's degree in economics.
At a score of 175, Harvard grad John Quincy Adams tops the list of presidents ranked by IQ. He studied all around the world, becoming fluent in seven languages throughout his life. Without even completing law school, he became a lawyer.
📚 The 10 Most Educated Countries in the World (2025) Based on tertiary education attainment among adults (ages 25–64) As of 2025, Canada leads the world in education, with 63% of its adult population holding a post-secondary qualification — the highest among OECD nations.
Magna cum laude: “With great distinction,” typically 3.7–3.8 GPA or top 6-15% of class. Summa cum laude: “With highest honor,” typically 3.9–4.0 GPA or top 1-5% of class.
A competitive LSAT score would be anything in the 171–176 range. Achieving a high LSAT score definitely increases your chances of admission to Harvard, but you can still get in with a score below that range.
The trending post led to multiple stories, including one in Newsweek, that compares Boyle to the fictional character Elle Woods, who scored a nearly perfect 179 on her LSAT to gain entry to Harvard Law School.
Yes, the Navy SEAL sleep trick (an 8-minute power nap with elevated legs) is a real technique for quick rest, popularized by former SEAL Jocko Willink, that helps improve alertness and reduce fatigue, though its effectiveness depends on individual relaxation skills and it's not a substitute for full nighttime sleep. The method involves lying down, elevating your feet above your heart (on a chair or couch), relaxing facial muscles, dropping shoulders, and clearing your mind for about 8-10 minutes to promote relaxation and blood flow, preventing grogginess.
If you thought cats spent a lot of their lives sleeping, you'd be right. Cats actually spend about 70% of their lives sleeping, which works out to around 13-16 hours a day. It's a cat's life!