Waking up at 3 AM Fix fragmented sleep with expert-approved habits like morning sunlight bedtime alarms and smarter dinner ...

1. Impacts brain functioning “When you wake up, your brain is in a state called ‘sleep inertia’, a groggy transition between sleep and wakefulness. This is a delicate period when your ...

Your blood sugar drops, and your brain sends signals to raise cortisol levels. This hormone spikes in an effort to boost your metabolism and wake you up, triggering hunger. As Breus puts it ...