0 1 2 3 Tue 17 Dec 1968 Fri 20 Dec 1968 Mon 23 Dec 1968 Thu 26 Dec 1968 Sun 29 Dec 1968 Wed 01 Jan 1969 Sat 04 Jan 1969 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