Q1:

S₁: I usually sleep quite well in the train, but this time I slept only a little.

P : Most people wanted it shut and I wanted it open.

Q : As usual, I got angry about the window.

R : The quarrel left me completely upset.

S : There were too many people too much huge luggage all around.

S₆: It was shut all night, as usual

The Proper sequence should be:

Question

S₁:	I usually sleep quite well in the train, but this time I slept only a little.
P :	Most people wanted it shut and I wanted it open.
Q :	As usual, I got angry about the window.
R :	The quarrel left me completely upset.
S :	There were too many people too much huge luggage all around.
S₆:	It was shut all night, as usual

The Proper sequence should be:

Ordering of Sentences