0 1 2 3 Sun 11 Apr 1976 Wed 14 Apr 1976 Sat 17 Apr 1976 Tue 20 Apr 1976 Fri 23 Apr 1976 Mon 26 Apr 1976 Thu 29 Apr 1976 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