While it is true that you may be able to train yourself to be a morning person with discipline, we all have a natural bodyrhythm that makes us happiest and most productive when we honor it.
"Exercise is known to help with sleep if you don't do it just before bedtime, " possibly because it promotes overall good health and helps enhance the body's circadian rhythm, which promotes activity during the day and resting at night, says Rapoport.
When Nick Nolte's character is watching his beloved colt run, Mr. Nolte's body rises and sinks with the rhythm of its hoofbeats, and we are moved by the sight but filled with worry.