How native speakers pronounce “clock”

I also know that by waking him up hours before his natural biological clock tells him he’s ready, I’m literally robbing him of the type of sleep

What lack of sleep does to the teenage brain - Wendy Troxel

to a part of your brain called suprachiasmatic nucleus. This is basically your circadian rhythm’s clock. It alerts your pineal gland to start producing melatonin.

What staying up all night does to your brain - Anna Rothschild

or emotional distress. And extreme sleep deprivation like jetlag can throw off your biological clock, wreaking havoc on your sleep schedule.

What causes insomnia? - Dan Kwartler

Especially here in Washington, if you try to make a breakfast date, and you say, "How about eight o'clock?" they're likely to tell you, "Eight o'clock is too late for me,

How to succeed? Get more sleep | Arianna Huffington

Is that maybe you right now? I have something called the Alarm Clock Checklist, intended to wake you up

How to Turn Setbacks into Success | Amy Shoenthal | TED · TED

I was grinding. I worked around the clock. I spent hours finessing my Power Points,

3 Simple Ways to Build Stronger Relationships at Work | Alyssa Birnbaum | TED · TED