Sleeping

Q: Is it a Sunnah to change one's clothes before sleeping? Does anything about this appear in the Ahaadith?

Q: What is the ruling regarding two girls older than the age of nine/ mature girls sharing the same duvet or blanket?

Q: What is the correct time for qailoolah? If a person rests even before zawal e.g. 11 am, would this also be considered qailoolah?

Q: Is it permissible to sleep between asr and magrib?

Q:

1. Should a lady sleep with her scarf on?

2. Should a man sleep with his topi on?

Q: Do women need to cover their hair even while sleeping at night? What is the ruling related to covering hair for women?

Q: Is it makrooh for one to sleep after fajr before sunrise or is it fine?

Q: What is the حیثیت of reading kalimas before sleeping?

Q: Can we apply surmah on thursday night?

Q: Can you please explain the sunnah method of qailoolah (i.e. how long should one rest? What position and when? Also do you have to sleep?)