Feeling tired

Q: I would like to know if I started reading some wazifahs for few a months but now I'm starting to feel very tired all the time. Is the wazifahs the cause of me getting tired like this? The reason for asking is that I heard that some things are too powerful for us normal people to handle, so must I stop reading it? 

Selling health books that contain pictures of animate objects

Q: I want to sell physical health eBooks that may contain images of humans for the purposes of demonstration. E.g. a fitness eBook demontrating how to perform an exercise or movement. The intention is that buyers will be purchasing the eBook for the information and content and not for the images. What is the ruling on this (both male and female images, would awrah need to be covered as this is solely for demonstrational/educational purposes?) and will income gained from this be halal? If this is not permissible, could you give me guidance on other methods I can use to demonstrate things such as exercises/stretches with visuals etc.

Qiraat in salaah

Q:

1. What is the status of reciting consecutive Surahs in fardh salaat? For example, reciting Surah Ikhlaas in the first rakaat and Surah Falaq in the second rakaat?

2. In fardh salaah, it makrooh to intentionally recite Surah Ikhlaas in the first rakaat and Surah Naas in the second rakaat?

3. In Witr salaah, what is the status of reciting Surah Ikhlaas in the first rakaat, Surah Falaq in the second rakaat, and Surah Naas in the third rakaat?

4. What are the two shortest Surahs that can be read in the first and second rakaat of fardh salaah?

Seeing little redness after one's haidh ends

Q: I had haidh for nine days but I thought it was 10 days and I made ghusl because I thought it will be istehaza.. Before performing ghusl I found it clear but immediately after that I found some reddish so I was not sure if it was completely clear or not but before performing ghusl it was clear. In confusion I performed ghusl anyway as I thought it was the 10th day. If I perform salah in this condition is my salah valid. After ghusl I performed asr and maghrib and I never checked during this time. After maghrib I checked and it was clear.. Is my salah valid? Or should I repeat them?