0 1 2 3 Fri 03 Dec 1948 Sat 18 Dec 1948 Sun 02 Jan 1949 Mon 17 Jan 1949 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