How Sleep Affects Biological Age

This article is a placeholder. The full piece is being written and will replace this text in a later milestone.

Sleep is the habit people most often underestimate and most easily improve.

The finished article will cover:

• why sleep duration is weighted heavily in ageing estimates
• why consistency matters alongside total hours
• what happens over the long term with insufficient sleep
• practical changes that are worth attempting first

In the meantime, the calculator will ask about your typical sleep once it is available.