0 1 2 3 Tue 18 Mar 1952 Fri 21 Mar 1952 Mon 24 Mar 1952 Thu 27 Mar 1952 Sun 30 Mar 1952 Wed 02 Apr 1952 Sat 05 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