0 1 2 3 Tue 15 Mar 1949 Sat 19 Mar 1949 Wed 23 Mar 1949 Sun 27 Mar 1949 Thu 31 Mar 1949 Mon 04 Apr 1949 Fri 08 Apr 1949 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