A CEO who wakes up without an alarm shared 5 tips to help you be a morning person by hacking your body's internal clock

Tech Insider : Business, Environment
A professional headshot of CEO Branislav Nikolic in a blue striped button-up shirt
Branislav Nikolic is the CEO of AYO, a wearable device for light therapy. He used his fascination with circadian rhythm — the body's internal clock — to become more alert and energized in the morning.

Courtesy of Branislav Nikolic

Novak Djokovic is winning titles at 38. He credits his longevity to 3 simple things.

Tech Insider : Business, Style
Novak Djokovic of Serbia celebrates after winning against Nuno Borges of Portugal during the Hellenic Championship ATP 250.
Novak Djokovic celebrates after winning during the Hellenic Championship in November 2025.

Costas Baltas/Anadolu via Getty Images

Nightly Smartphone Use at Bedtime Isn’t as Bad as You Think, Study Suggests

Gizmodo
Phone In Bed

Scientists Uncover Yet Another Reason to Sleep in Total Darkness

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Laptop On Bed

Chronic Melatonin Use May Raise Risk of Heart Failure, Study Suggests

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Melatonin

Can’t Sleep Without Cannabis or Booze? You’re Not Alone

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Marijuana Buds Joint

I slept at the airport before an early flight to avoid waking up at the crack of dawn. The noise and the nerves left me regretting my decision.

Tech Insider : Travel, Travel, Business
The author takes a selfie in front of an empty check-in area at London Gatwick Airport where a clock shows the time is 2:30 a.m.
The sleep-deprived author at London Gatwick Airport at 2:30 a.m.

Pete Syme/BI

Olympic gymnast Jordan Chiles, 24, says she's 'serious' about her naps

Tech Insider : Sports, Business
US gymnast Jordan Chiles is performing her routine during the Artistic Gymnastics Women's Floor Final at the Olympics.
Olympics gymnast Jordan Chiles

Tim Clayton/Corbis via Getty Images

Here’s Another Reason Why You Should Drink More Water

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Sleeping Man Next To Glass Of Water

A cardiologist shared 4 seemingly healthy habits that can lead to heart failure, from too much protein to overdoing workouts

Tech Insider : Business, Sports
A man pouring a protein shake from a blender
A super high-protein diet can lead to inflammation, a cause of heart disease.

Prathan Chorruangsak/Getty Images

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