0 1 2 3 Wed 12 Mar 1952 Thu 20 Mar 1952 Fri 28 Mar 1952 Sat 05 Apr 1952 Sun 13 Apr 1952 Mon 21 Apr 1952 Tue 29 Apr 1952 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