0 1 2 3 Sun 06 Aug 1972 Thu 10 Aug 1972 Mon 14 Aug 1972 Fri 18 Aug 1972 Tue 22 Aug 1972 Sat 26 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