I had 4 kids in my 20s, and I dealt with a lot of lost sleep. Since I hit about 36, I've found that a poor night of sleep, such as from a red-eye flight, will

I had 4 kids in my 20s, and I dealt with a lot of lost sleep. Since I hit about 36, I've found that a poor night of sleep, such as from a red-eye flight, will wreck me for about 2 days.