The 21-year-old enjoyed a breakthrough campaign at Manchester United, after making his senior debut in the Community Shield against Manchester City at Wembley.
In total, he made 13 appearances in all competitions but his last involvement came in the mid-March win at Leicester City, even if he did feature in the post-season tour of Asia.
This was due to injury but Collyer feels he has learned from a spell on the sidelines and is taking that knowledge into what promises to be a demanding close season training under head coach Ruben Amorim.
"I think, nowadays, especially with the double gameweeks [we had]," he told club media recently.