Gold and pure silk are haram for men
Beautification and elegance are not merely permitted but are required by Islam, and in general it repudiates any attempts to prohibit them. Allah (swt) said: “Say, who has forbidden the adornment of Allah which He has brought forth for His servants, and the good things of His providing?” (Qur’an 7: 32).
Islam permits, and in fact requires that the Muslim be careful about his appearance, dress decently, maintain his dignity, and enjoy what Allah has created for the purpose of clothing and adornment.
9. The permissibility of lying down in the Masjid
As indicated by the Prophet’s practice, it is permissible to lie down in the Masjid. Abdullah Ibn Zaid Ibn Asim reported that he once saw the Messenger of Allah (saw) lying down in the Masjid, with one of his legs placed over the other. Ibn Shihab related that Sa’eed Ibn Musayyib said:” Umar and Uthman would do that as well.” (Bukhari). If you do lie down in the Masjid, you must be sure that no private area of your body will become exposed as a result, for depending on what kind of clothes you are wearing, you may expose a private area of your body if you place one leg over the other.