SHAUN Hutchinson said he was "dreaming of scoring the winning goal" the night before Millwall's dramatic 4-3 victory over Bristol Rovers on Sunday.
Hutchinson headed home Shane Ferguson's corner in the 85th minute and Millwall held on to clinch the final play-off spot.
Southend's game against Bury finished earlier than Millwall's, and the Shrimpers were in sixth until Hutchinson's header.
"It's one of those things where you're in bed dreaming of scoring the winning goal," Hutchinson said. "I knew we weren't going to get many chances, it was a great ball in by Fergie. It's a blur after that, I was so happy.
"We knew they didn't necessarily deal that well with balls into the box. We knew with good delivery we were going to have a chance.
"Our focus was just solely on getting the win. We knew we'd need the win. We knew that a draw wasn't going to be enough."
Hutchinson was playing with a cracked rib, and he revealed he needed painkillers to get through the fixture.
"It's been a frustrating time at Millwall with injuries," he said. "It's been quite hard for me, missing out last week and trying to train, it's a bloody painful injury. The physios have done a lot of work, and I was painkiller-ed up [Sunday]. Adrenaline got me through it."
Millwall now play Scunthorpe in the play-off semi-finals, with the first leg at The Den on Thursday. The Lions lost 3-0 at Glanford Park in December, before beating the Iron 3-1 in April.
"We'll take it, we played them recently and beat them, it was probably one of our strongest performances of the season.
"They'll be a little bit more worried about us than we will be about them. It's one we're looking forward to, it's what you play football for.
"If it's 0-0 at home then it's a disadvantage. We fancy ourselves at home massively. Recovery is important, a trip up north after playing [Sunday] wouldn't have been ideal.
"It's one we're looking forward to. We don't fear anyone in the play-offs. We believed in ourselves to get into this situation and we believe we can go one further."
Image: Millwall FC