In TODAY.com's Expert Tip of the Day, a psychologist reveals a simple morning routine to avoid winter depression and boost mental health.

Jim Cramer, host of CNBC's "Mad Money" and co-anchor of "Squawk on the Street," wakes up at 3 a.m. each morning. Here's why he says it leads to success.

The sudden change can disrupt your body’s internal clock, leaving you tired in the morning, wide awake at night ... which also includes reducing screen use before bed and creating a regular evening ...