The Wild Reasons Many Older People Wake Up So Early

The video explores why older adults often wake up early, debunking the stereotype that they need less sleep. It discusses changes in circadian rhythms, hormonal shifts, and the role of melatonin and brain sand. The video also presents an evolutionary hypothesis suggesting that early waking in seniors may have been advantageous for ancient human communities. Various factors, including dying brain cells and calcification in the pineal gland, are considered as potential causes for altered sleep patterns in the elderly.

How might calcification in the pineal gland affect melatonin production?

What are some factors that might contribute to insomnia in older adults?

What is the 'poorly sleeping grandparent' hypothesis?