Hey, Mister, Let’s Play! How They Went to Sleep
Movie| Title | Jak šli spát |
| User score | 0 |
| Release date | Sep 13, 1968 |
| Genre | Animation |
| Director | Břetislav Pojar , Miroslav Štěpánek |
| Production country | Czechoslovakia |
| Production companies | Krátký film Praha – Studio kresleného a loutkového filmu Praha |
| Run time | 13 min. |
