0 1 2 3 Tue 31 Jul 1956 Fri 03 Aug 1956 Mon 06 Aug 1956 Thu 09 Aug 1956 Sun 12 Aug 1956 Wed 15 Aug 1956 Sat 18 Aug 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