I was asleep, but Luigi was awake, and he thought he detected a vague form nearing the bed.
( ( ( ( ( I ( was asleep ) ) , ) but ) ( ( ( ( Luigi ( was awake ) ) , ) and ) ( he ( thought ( he ( ( detected ( a ( vague form ) ) ) ( nearing ( the bed ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (PRP I)) (VP (VBD was) (ADJP (RB asleep)))) (, ,) (CC but) (S (S (NP (NNP Luigi)) (VP (VBD was) (ADJP (RB awake)))) (, ,) (CC and) (S (NP (PRP he)) (VP (VBD thought) (SBAR (S (NP (PRP he)) (VP (VBD detected) (NP (DT a) (JJ vague) (NN form)) (S (VP (VBG nearing) (NP (DT the) (NN bed)))))))))) (. .)))
The room was quiet the whole time with nothing unusual.
( ( The room ) ( ( ( ( was quiet ) ( the ( whole time ) ) ) ( with ( nothing unusual ) ) ) . ) )
(ROOT (S (NP (DT The) (NN room)) (VP (VBD was) (ADJP (JJ quiet)) (NP (DT the) (JJ whole) (NN time)) (PP (IN with) (ADJP (NN nothing) (JJ unusual)))) (. .)))