Health expert explains why you're waking up at 3am every night - and how to prevent it

A longevity expert has captured the attention of people with sleep troubles by suggesting a reason why they might be waking up at a certain time of night - though some sleep experts are doubtful.Dave Asprey, an author focused on longevity—promoting a longer, healthier life—recently took to Instagram to suggest that fluctuating blood sugar levels may be responsible for those annoying 3am awakenings.Explaining that a drop in cortisol and adrenaline levels could be waking dreamers from their sleep, Asprey said: "For most people who wake up between 3 to 5am and can't go back to sleep, it is usually [because of a ] crash in your blood sugar. "The problem is, cortisol and adrenaline wake you up.

While the brain gets what it wants, you don't get your sleep."To tackle this, Asprey, who uses the Instagram handle @daveasprey, encouraged his followers to snack on "raw honey, collagen, MCT oil," or a combination of all three.In recent times, there's been an uptick in interest among health-conscious individuals when it comes to cortisol, a hormone that regulates a wide range of bodily processes, including blood glucose levels, reports the Mirror.Could this also explain why you’re yawning through your early morning commute?Sleep expert Dave Gibson, advised that while Asprey's advice is "factually correct", there are "more mechanisms at play" than just a rise in cortisol, which is actually "supposed to start rising at this time as part of our natural wake-up cycle".Dave Gibson, founder of The Sleep Site, said: "Human sleep architecture consists of different stages with unique functions.

The deepest stages restore the body, while lighter stages, including REM (Rapid Eye Movement) sleep, help reboot the brain, especially through