This is awesome write up.
According to the study, two brain areas; the temporoparietal junction and the medial prefrontal cortex were more active in dream recallers in rapid eye movement (REM) sleep compared with the non recallers
Cool to know the reason behind this.
Tiredness, however, can affect remembering dream a lot. When tired especially from some tedious work, dreams might be difficult to remember o.
So..
The wakefulness and sentivity towards outside stimuli while sleeping is the difference between them
Another lesson learnt.