0 1 2 3 Sun 31 Mar 1974 Thu 04 Apr 1974 Mon 08 Apr 1974 Fri 12 Apr 1974 Tue 16 Apr 1974 Sat 20 Apr 1974 Wed 24 Apr 1974 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