For me, if I don't workout, I just need about 6 hours. If I workout (whether cardio, strength or both but especially with strength), I definitely need 8 hours.

For me, if I don't workout, I just need about 6 hours. If I workout (whether cardio, strength or both but especially with strength), I definitely need 8 hours. Every few weeks I find myself sleeping 10-12 hours with non-stop vivid REM dreams.