0 1 2 3 Sun 21 Dec 1947 Thu 25 Dec 1947 Mon 29 Dec 1947 Fri 02 Jan 1948 Tue 06 Jan 1948 Sat 10 Jan 1948 Wed 14 Jan 1948 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