0 1 2 3 Mon 15 Mar 1976 Fri 19 Mar 1976 Tue 23 Mar 1976 Sat 27 Mar 1976 Wed 31 Mar 1976 Sun 04 Apr 1976 Thu 08 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