0 1 2 3 Mon 21 Mar 1966 Sat 26 Mar 1966 Thu 31 Mar 1966 Tue 05 Apr 1966 Sun 10 Apr 1966 Fri 15 Apr 1966 Wed 20 Apr 1966 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