Complex sentence: He could not breathe for the first twenty minutes of his life, an oxygen deprivation that has been linked to Asperger's Syndrome--some of his biographers, such as Mitchell Snay, maintain that this condition would account for his occasional eccentric behaviors in later life.
Split into simpler sentences: He could not breathe for the first twenty minutes of his life. It is suggested that he may have also had Asperger's Syndrome--some of his biographers, such as Mitchell Snay, maintain that this condition would account for his occasional eccentric behaviors in later life.