You are no old if Your knees works well.

While I agree with the sentiment, I think it would have worked better with the pictures in inverse order.

How did Sasaki not see Yamada / Tayama are the same person?

That just means your "full" night's sleep ain't enough my friend. Add a couple more hours to it.

Sleep apnea. Get a cpap. Occasionally sleeping me takes the mask off in my sleep, and the difference in sleep quality I experience is wild.

When I first started my body wasn't used to laying still for 8 hours and I'd wake up stiff and in pain because it had been years since I slept without constant tossing and turning.

Make sure you're getting the right amount of aerobic exercise (there is too much and too intense) and don't have any underline food or other allergies as well as follow good sleep hygiene and have realistic performance expectations for a days work.

Japanese are advertising smoking much currently?