0 1 2 3 Sun 31 Mar 1957 Fri 05 Apr 1957 Wed 10 Apr 1957 Mon 15 Apr 1957 Sat 20 Apr 1957 Thu 25 Apr 1957 Tue 30 Apr 1957 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