His sister said the detained cleric had turned weaker and that signs of torture were seen on his head.
The family visited him for the second time since his arrest earlier in July. They were allowed to visit him for the first time on July 15.
Sheikh Nemr was attacked, injured and arrested by the security forces of the Al Saud regime while driving from a farm to his house in the Qatif region of Eastern Province on July 8.
According to Human Rights Watch, the Saudi regime “routinely represses expression critical of the government.”