0 1 2 3 Fri 15 Sep 1972 Sat 16 Sep 1972 Sun 17 Sep 1972 Mon 18 Sep 1972 Tue 19 Sep 1972 Wed 20 Sep 1972 Thu 21 Sep 1972 Fri 22 Sep 1972 Sat 23 Sep 1972 Sun 24 Sep 1972 Mon 25 Sep 1972 Tue 26 Sep 1972 Wed 27 Sep 1972 Thu 28 Sep 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