0 1 2 3 Fri 09 Dec 1983 Fri 16 Dec 1983 Fri 23 Dec 1983 Fri 30 Dec 1983 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