Article: Waking up tired isn't just about how long you sleep — it's about whether your brain is ready to wake up.
Waking up tired isn't just about how long you sleep — it's about whether your brain is ready to wake up.
You got 8 hours. But still feeling so tired, eyes so heavy, face so tight that you can't sense your cheeks when you're brushing your teeth. Why is that?
The reasons behind morning grogginess — or sleep inertia — can be complex and highly individual. Here are some common culprits.
First, you might be waking up at the wrong sleep stage, such as deep sleep (slow wave sleep) or during REM. Our brains need time to surface from these stages. Aligning sleep cycles in 90-minute blocks helps reduce the chance of waking during the wrong cycle. Try planning for 7.5 hours or 9 hours — 8 hours is actually not a good idea.
What we put into our bodies at night also matters. Alcohol, coffee, and late-night meals are almost surely going to affect sleep quality.
Like a car in winter, your mitochondrial system needs a little warming up in the morning. Walking, exposing yourself to light, warming up your body — all of these help ramp up mitochondrial function. Treating your cellular energy system well goes a long way.
You can also kick-start your biological "start-up sequence" in the morning. The cellular energy system that powers your brain and body doesn't flip on instantly. Give it the right conditions, and it responds.
