Sleeping Fist
睡拳怪招 (original)
After a cop is beaten by a gang of thugs, he trains in the martial art of Sleeping Fist and, together with a cub and his master, seeks out his revenge.
Starring Leung Kar-yan, Yuen Siu-Tien, Law Hon, Eddy Ko, Ou Li-Bao, Au-Yeung Ling-Lung, I Lung Huang, Sun Lan, Fu Hsiao, Shih Ting-Ken
Watch "Sleeping Fist" on Tubi TV released in 1979. It's a action & adventure and comedy movie, and has a rating of 6.1 out of 10 from Imdb which is usually fine for this kind of movie, and is currently available to watch for free.