0 1 2 3 Thu 31 Mar 1949 Sun 03 Apr 1949 Wed 06 Apr 1949 Sat 09 Apr 1949 Tue 12 Apr 1949 Fri 15 Apr 1949 Mon 18 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