0 1 2 3 Tue 21 Mar 1961 Sun 26 Mar 1961 Fri 31 Mar 1961 Wed 05 Apr 1961 Mon 10 Apr 1961 Sat 15 Apr 1961 Thu 20 Apr 1961 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