0 1 2 3 Sat 12 Aug 1972 Tue 15 Aug 1972 Fri 18 Aug 1972 Mon 21 Aug 1972 Thu 24 Aug 1972 Sun 27 Aug 1972 Wed 30 Aug 1972 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