0 1 2 3 Fri 31 Jan 1975 Mon 03 Feb 1975 Thu 06 Feb 1975 Sun 09 Feb 1975 Wed 12 Feb 1975 Sat 15 Feb 1975 Tue 18 Feb 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