0 1 2 3 Thu 07 Feb 1952 Fri 15 Feb 1952 Sat 23 Feb 1952 Sun 02 Mar 1952 Mon 10 Mar 1952 Tue 18 Mar 1952 Wed 26 Mar 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