Adnan was born in Sharjah, United Arab Emirates on 30 October 1964. He started playing volleyball at the age of 8 when he was first discovered in Bahrain to be a football player. He welcomed 3 boys. He welcomed his first son Hamdan who have appeared in Talyani's Retirement Celebration in 2003. He welcomed his second son Hamad who was born in 1995 who later also appeared in Talyani's retirement celebration. He welcomed his last son Mohammed who was born in 1998 who also appeared with his brothers in Talyani's retirement celebration in 2003. His brother "Nasser Al Talyani" played with him in Al Shaab Club.
Talyani started playing football in the 1970s in the streets Sharjah. He joined Al Shaab Club in 1980, and played out his entire club career there until 1999. Although he received many lucrative offers from other clubs, strict restrictions at the time prohibited Talyani from transferring.
Talyani officially retired from football in January 2003. A testimonial match was played in his honour between Italian champions Juventus and an All-Star team of players from various countries. He has since been named the UAE's Player of the Century.