Welcome to HCM.
Having a disturbed sleep pattern may be related to work and or social commitment tensions. Try not to take your work load to your sleep. Try to join some centers which will train you to relax, such as transcendental meditation
. Remembering dreams on waking up should not be a problem. Bleeding gums
could be due to gingivitis
or dental caries
. Consult a dental surgeon.
Feeling something has happened may be due to anxiety.