0 1 2 3 Fri 31 Aug 1956 Tue 04 Sep 1956 Sat 08 Sep 1956 Wed 12 Sep 1956 Sun 16 Sep 1956 Thu 20 Sep 1956 Mon 24 Sep 1956 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