"Allah's Messenger cursed the women who visit the graves, and those who use them as Masajid and put torches on them."
Jami` at-Tirmidhi Book 2, Hadith 172
← Previous Hadith the Prophet said: "Whoever builds a Masjid for (the sake of) Allah, be it small or large, then Allah will build a house for him in Paradise."

Jami` at-Tirmidhi Book 2, Hadith 171 Next Hadith → "We would sleep in the Masjid during the time of Allah's Messenger and we were young men."

Jami` at-Tirmidhi Book 2, Hadith 173