This story originally appeared in print in the August 2014 issue of mental_floss magazine. Subscribe to our print edition here, and our iPad edition here.
Although handy for describing a good night’s sleep, these analogies don’t always match reality.
1. I SLEPT LIKE A ... BEAR
![](https://images2.minutemediacdn.com/image/upload/c_fill,w_16,ar_16:9,f_auto,q_auto,g_auto/shape/cover/sport/brokenimagev3-18f0647f44b4cdfd7d95298eff25b04b.png)
YOU SLEPT: 7 hours
PATTERN: Crepuscular (most active during twilight)
WHEN YOU SHOULD REALLY USE IT: You’re energetic at dusk and dawn. You also have an innate ability to hold your bladder for months at a time.
2. I SLEPT LIKE A ... DOG
![](https://images2.minutemediacdn.com/image/upload/c_fill,w_16,ar_16:9,f_auto,q_auto,g_auto/shape/cover/sport/brokenimagev3-ab1867dd52c30c88ad536913b92be8e7.png)
YOU SLEPT: 14 hours
PATTERN: Crepuscular
WHEN YOU SHOULD REALLY USE IT: You’re drowsy in the middle of the day. You think people should just let you lie.
3. I SLEPT LIKE A ... LAMB
![](https://images2.minutemediacdn.com/image/upload/c_fill,w_16,ar_16:9,f_auto,q_auto,g_auto/shape/cover/sport/brokenimagev3-87bd880cfc095eed288d810310cd86ff.png)
YOU SLEPT: 12 hours
PATTERN: Generally diurnal (most active during daylight)
WHEN YOU SHOULD REALLY USE IT: Last night was great! But you know you’ll never doze like that ever again. (Grown sheep average four hours.)
4. I SLEPT LIKE A ... BABY
![](https://images2.minutemediacdn.com/image/upload/c_fill,w_16,ar_16:9,f_auto,q_auto,g_auto/shape/cover/sport/brokenimagev3-ffa55575421b9822c686638601ef53b3.png)
YOU SLEPT: 16 hours
PATTERN: Purportedly diurnal
WHEN YOU SHOULD REALLY USE IT: You sleep a lot, but you wake up every two hours to change your pants.
5. I SLEPT LIKE A ... LOG
![](https://images2.minutemediacdn.com/image/upload/c_fill,w_16,ar_16:9,f_auto,q_auto,g_auto/shape/cover/sport/brokenimagev3-28d7a20df9063a4128d8dc75539082a0.png)
YOU SLEPT: 0 hours
PATTERN: Unknown
WHEN YOU SHOULD REALLY USE IT: You did not sleep. You are a log.
All images courtesy of iStock.