ICSI sperm injection into oocyte. Human oocyte cryopreservation (egg freezing) is a process in which a womanâs eggs (oocytes) are extracted, frozen and stored. Later, when she is ready to become pregnant, the eggs can be thawed, fertilized, and transferred to the uterus as embryos.
1 Night terrors are characterized by frequent recurrent episodes of intense crying and fear during sleep, with difficulty arousing the child. Night terrors are frightening episodes that disrupt family life.  A small percentage of children experience night terrors. Boys and girls are equally affected.
Sleep paralysis. Sleep paralysis is a phenomenon in which a person either during falling asleep (Hypnagogia) or awakening (Hypnopompia), temporarily experiences an inability to move, speak, or react.It is a transitional state between wakefulness and sleep, characterized by muscle atonia (muscle weakness).hysiologically, sleep paralysis is closely related to REM atonia, the paralysis that occurs as a natural part of REM (rapid eye movement) sleep. Sleep paralysis occurs either when falling asleep, or when awakening from a session.