Practice "Early to bed, early to rise"
D&C 88:124 says, "Cease to sleep longer than is needful; retire to thy bed early, that ye may not be weary; arise early, that your bodies and your minds may be invigorated."
Whether you get too much sleep or not enough, we all know that adequate sleep is important for our physical, spiritual, and emotional health. Elder Richard G. Scott said, "Exercise, reasonable amounts of sleep, and good eating habits increase our capacity to receive and understand revelation."
In light of this wise counsel, here are some clever ways to keep track of your sleep habits: