Educational orientation — not a diagnosis

Marked mood, energy or sleep changes

Periods of unusually high energy, little need for sleep, rapid speech or risky decisions need careful assessment, especially when alternating with depression.

Important safety note

Immediate danger, suicidal intent, violence, severe confusion, sudden loss of function or loss of contact with reality require urgent local emergency or medical support.

Open crisis guidance →

Common signs

What people may notice

Much less sleep without feeling tired
Unusually fast thoughts or speech
Inflated confidence or irritability
Impulsive spending, sexual or business decisions
Alternating periods of low mood

Several possibilities

This pattern may be associated with

Bipolar spectrum condition

Cyclothymic mood pattern

Substance or medication effect

Sleep deprivation, thyroid or neurological causes

Emotion-regulation difficulties

This list is not exhaustive and does not establish a diagnosis.

When support may be useful

Look at persistence and impact

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Physical health and safety

What should not be overlooked

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Prepare for a useful consultation

Information worth noting

When it began and what was happening at the time.
Frequency, duration, triggers and what reduces or worsens it.
Sleep, appetite, energy, medicines, substances and medical conditions.
Effect on work, study, relationships and daily safety.

Clinical content principles

PRJI educational pages distinguish orientation from diagnosis, include physical-health cautions and direct urgent situations to local services. Content is informed by public mental-health information from WHO, NHS and NIMH and must be clinically reviewed before commercial launch.