Nicola Appleton

After three years of hands-on testing, our expert breaks down the top side-sleeper mattress sales worth grabbing this Labor Day, starting at $399.

Vagus nerve stimulation promises to instantly lower heart rate and reduce stress. We tested tech against $0 doctor-recommended routines to find out if you really need to buy a wearable for better sleep.

Most earbuds press painfully into your ear when you roll over. The new Ozlo Sleepbuds 2 sit completely flush — and automatically switch to noise masking sound when you drift off

Dr. Michael Breus, 'America's Sleep Doctor', and globally renowned sleep scientist and Ted Talk superstar Dr. Matthew Walker explain the link between cortisol and sleep, and the 3 pain points where stress leads to 3 a.m. wake-ups.

When I started waking up at 3 a.m., I turned to top sleep doctors for help. Here are the 3 simple routine switches they recommend.

I'm swelteringly hot and I haven't slept in day. With a 'hotter than average' July on the horizon, here's everything I'm buying in the Prime Day sale for cooler sleep.

Our favorite 'lab-grade' sleep tracker just hit its lowest price ever. How to buy the Oura Ring 4 for $226 from $399.

Getting kids to fall asleep (and stay asleep) is a constant battle. As a sleep editor and parent, these are the five highly rated bedtime essentials I recommend grabbing in the Prime Day sales.

Doctors explain why this common evening habit can lead to a late night second wind of energy, which can contribute to waking up at 3 a.m.

Getting 7 hours of sleep is linked to better life expectancy. After seeking a doctor's advice, this is the simple routine change that helped me go from 5 hours of broken sleep to a full 7.

Understanding what sleep pressure is and how it helps me fall asleep fast and skip the 3 a.m. wake-ups has been a game changer for my rest

For months I was waking up at 3 a.m. most nights and it was exhausting. Doctors said a consistent sleep schedule would stop the wake-ups so I tried it and it worked. Here's how...

5 sleep experts share their advice for getting consistently good sleep for improved health, night after night.

I'll never be a natural morning person. But this is the simple sleep switch that helps me wake up refreshed before my 6 a.m. alarm

These are the seven best luxury mattresses our sleep editors tested and loved

Buying a new mattress? Here are the 4 types you need to know

Is the Helix Midnight Luxe still a side sleeper's dream? We re-tested it to find out

Reading in bed can actually keep you awake if you’re using the wrong light. Here’s why this amber book light is a total gamechanger for my sleep routine.

I went from always exhausted to waking up with tons of energy — here's how, plus the products I rely on to help me sleep better

Could the secret to falling back asleep when you wake up at night really be as weird and wonderful as disrupting your brain's 'wakefulness' waves? Yes, but there's two big drawbacks.