0 1 2 3 Tue 11 Mar 1952 Fri 14 Mar 1952 Mon 17 Mar 1952 Thu 20 Mar 1952 Sun 23 Mar 1952 Wed 26 Mar 1952 Sat 29 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