[graeme]

Most people have some kind of sleep deficit. Catching up on sleep isn’t oversleeping.

Iirc there are more heart attacks the day after the change resulting in less sleep, and less the day after the change resulting in more sleep.

[nikolay]

There were studies showing that there's no such thing as "catching up on sleep".

[balfirevic]

Please link them.

[nikolay]

They were posted here on HN - search for them!