0 1 2 3 Thu 11 Dec 1975 Sun 14 Dec 1975 Wed 17 Dec 1975 Sat 20 Dec 1975 Tue 23 Dec 1975 Fri 26 Dec 1975 Mon 29 Dec 1975 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