0 1 2 3 Mon 25 Jul 1949 Tue 02 Aug 1949 Wed 10 Aug 1949 Thu 18 Aug 1949 Fri 26 Aug 1949 Sat 03 Sep 1949 Sun 11 Sep 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