0 1 2 3 Thu 07 Jul 1988 Thu 14 Jul 1988 Thu 21 Jul 1988 Thu 28 Jul 1988 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All