Move a deciduous tree in early spring before it begins to leaf out or early fall after the leaves begin to turn color. Donât move evergreens during a growth flush or in the fall when itâs too late for them to become established before winter weather arrives. Late summer is usually a good time to move evergreens.
Caffeine is a central nervous system stimulant that reduces fatigue and drowsiness. At normal doses, caffeine has variable effects on learning and memory, but it generally improves reaction time, wakefulness, concentration, and motor coordination.
Answers. Best Answer: Effects of Caffeine on the Nervous System Caffeine is a central nervous system stimulant. In moderate doses, caffeine can: increase alertness reduce fine motor coordination cause insomnia cause headaches, nervousness and dizziness In massive doses, caffeine is lethal.n moderate doses, caffeine can: increase alertness reduce fine motor coordination cause insomnia cause headaches, nervousness and dizziness In massive doses, caffeine is lethal.