Yes, let alone lying down to listen, you can even recite sutras and mantras while lying down. Don’t be too attached to the external appearance...

Like many patients. It doesn't matter if you recite while lying down. The merits and blessings will not be worse than those recited while kneeling. The key to reciting sutras and mantras is a pious heart...

Of course, if you are not seriously ill, If it is inconvenient, it would be better to at least sit down and recite. After all, it will look more solemn...

It is the same no matter who you recite, although Buddhas and Bodhisattvas are different. However, as long as you have the right intention, the merits and blessings will be the same...

Of course, Buddha Mother, Tara Bodhisattva mainly focus on eliminating disasters, taking refuge and ensuring peace. If you recite these Bodhisattva's No., I think it might be better if I don’t have problems driving...

Sitting in the office and seeking for good wealth, I imagine Ksitigarbha Bodhisattva and the four heavenly kings who guarantee merit, especially The King of Hearing in the North, these can bless and achieve good wealth...

However, in fact, just reciting "Namo Amitabha" is a good merit. Amitabha and Guanyin Bodhisattva can bless these things. Yes, so don’t be too persistent...