It's a proven fact that nothing cures driver fatigue except "resting". Any measure such as nasal spray that temporarily mask the signs are proven to be very dangerous. There will be carnage on roads due to this. Dumb and dangerous concept. (Professional trainer)

Many of the "disgruntled, knock anything Thai, farang brigade" out in force here.

Happy New Year, may you all be as happy as you wish.

and may a Thai mow you down in his/her car due to being asleep at the wheel relying on an "inhaler" to keep him/her awake.......New Year ( Christian baloney)

Police efforts are not to be sniffed at I believe these inhalers are banned in Japan. Why I wonder?